QTabBar::tab {
    width: 125px;
    height: 25px;
    border-style: solid;
    border-width: 1px 1px 1px 1px;
    background: white;
    color: black;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}
QTabBar::tab:selected {
    border-style: solid;
    border-width: 1px 1px 1px 1px;
    border-bottom-color: white;
    background: green;
    color: white;
    font-size:19px;
}

QPushButton#login_submit {
    font-family:'Microsoft YaHei';
    font-size:21px;
    color: white;
    background-color: #FF9800;
    border-style: solid;
    border-radius: 7;
    padding: 3px;
    padding-left: 5px;
    padding-right: 5px;
    margin-top:0px;
}
QPushButton#sign_submit {
    font-family:'Microsoft YaHei';
    font-size:21px;
    color: white;
    background-color: #FF9800;
    border-style: solid;
    border-radius: 7;
    padding: 3px;
    padding-left: 5px;
    padding-right: 5px;
    margin-top:0px;
}

QPushButton#btn_sign_out {
    font-family:'Microsoft YaHei';
    font-size:16px;
    color: white;
    background-color: red;
    border-style: solid;
    border-radius: 7;
    padding: 3px;
    padding-left: 3px;
    padding-right: 3px;
    margin-top:0px;
}
QPushButton {
    font-family:'Microsoft YaHei';
    font-size:16px;
    color: white;
    background-color: #FF9800;
    border-style: solid;
    border-radius: 7;
    padding: 3px;
    padding-left: 5px;
    padding-right: 5px;
    margin-top:0px;
}

QLineEdit {
    border: 2px solid gray;
    border-radius: 8px;
    padding: 2px 4px;
    selection-background-color: blue;
    background-color: rgb(244, 245, 247);
    font-family: 'Microsoft YaHei';
    font-size: 15px;
}
QLabel#loginLabel{
    font-family:'Microsoft YaHei';
    font-size:33px;
    color:green;
}